Adjustable lock box



FIG. 1 is a perspective view of an adjustable lock box in accordancewith my design showing the front and top thereof with the top in apartially open position;

FIG. 2 is a rear elevation of the lock box of FIG. 1;

FIG. 3 is a bottom plan view of the lock box of FIGS. 1 and 2;

FIG. 4 is a right end elevation of the lock box of FIGS. 1-3; and,

FIG. 5 is a left end elevation of the lock box of FIGS. 1-4.

The ornamental design for an adjustable lock box, as shown anddescribed.